Investors with a lot of money to spend have taken a bullish stance on Taiwan Semiconductor (NYSE:TSM).And retail traders should know.We noticed this today when the trades showed up on publicly available options history that we track here at Benzinga.Whether these are institutions or just wealthy individuals, we don't know. But when something this big happens with TSM, it often means somebody knows something is about to happen.So how do we know what these investors just did? Today, Benzinga's options scanner spotted 132 uncommon options trades for Taiwan Semiconductor.This isn't normal.The overall sentiment of these big-money traders is split between 39% bullish and 36%, bearish.Out of all of the special options we uncovered, 24 are puts, for a total amount of $1,504,064, and 108 are calls, for a total amount of $21,741,287.What's The Price Target?Based on the trading activity, it appears that the significant investors are aiming for a price territory stretching from $80.0 to $220.0 ...Full story available on Benzinga.com